<div *ngIf="chero">
    <h2>{{chero.name}} details!</h2>
    <div><label>id: </label>{{chero.id}}</div>
    <div>
        <label>name:</label>
        <input [(ngModel)]="chero.name" placeholder="name">
    </div>
    <button (click)="goBack()">返回</button>
</div>